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Aluminum 6082-T6 Extrusion Metallurgy: Aging Heat Treatment, Die Design, and Webster Hardness Testing

Published: 2026-10-26 · Updated: 2026-10-29 • 7 min read • Extrusion Plant Director, Spanbest Guangzhou Base

Homogenized billet casting, 530°C press extrusion, water-quench cooling rates, and artificial aging furnace cycles (175°C for 8 hours) achieving Webster hardness ≥ 14.

Aluminum 6082-T6 Extrusion Metallurgy: Aging Heat Treatment, Die Design, and Webster Hardness Testing

1. Artificial Aging and Mg2Si Precipitation Hardening

Peak mechanical strength in 6082-T6 is achieved through precise controlled precipitation of magnesium silicide (Mg2Si) intermetallic phases during aging, ensuring yield strength exceeds 260 MPa.

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